The Greaser Dogs (Cliff, Lube and Shriek) (voiced by Tom Kenny, Maria Bamford and Carlos Alazraqui) are a gang of street dogs. They are the enemies of CatDog.
- The Greaser Dogs will become Jeffrey's enemies in Jeffrey & Friends' Storm Adventures of CatDog: Fetch.
- They'll return for revenge and will become Jaden's enemies in the Jeffrey, Jaden & Friends meet Indiana Jones saga.
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